The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 25 December 2025 06:21 (UTC+1000)

50 Most active ASes for the past 14 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	5413	376018	4.46%	97	3876.47	WAVENET-AS5413, GB
2	16509	293178	3.47%	14494	20.23	AMAZON-02, US
3	8151	198155	2.35%	12769	15.52	UNINET, MX
4	36903	77439	0.92%	1250	61.95	MT-MPLS, MA
5	7821	71150	0.84%	17	4185.29	ZAYO-MN, US
6	39891	68739	0.81%	4901	14.03	ALJAWWALSTC-AS, SA
7	7459	54823	0.65%	1526	35.93	GRANDECOM-AS1, US
8	335	53235	0.63%	224	237.66	DNIC-ASBLK-00306-00371, US
9	15766	52982	0.63%	15	3532.13	DOMICILIUM-AS, IM
10	10620	44542	0.53%	3460	12.87	Telmex Colombia S.A., CO
11	9919	34453	0.41%	972	35.45	NCIC-TW New Century InfoComm Tech Co., Ltd., TW
12	45899	33608	0.40%	3332	10.09	VNPT-AS-VN VNPT Corp, VN
13	5371	32992	0.39%	295	111.84	DNIC-ASBLK-05120-05376, US
14	31148	32968	0.39%	554	59.51	FREENET_LLC, UA
15	7552	32879	0.39%	4049	8.12	VIETEL-AS-AP Viettel Group, VN
16	18403	32619	0.39%	4587	7.11	FPT-AS-AP FPT Telecom Company, VN
17	647	31778	0.38%	441	72.06	DNIC-ASBLK-00616-00665, US
18	37342	29711	0.35%	536	55.43	MOVITEL, MZ
19	8452	29161	0.35%	1704	17.11	TE-AS TE-AS, EG
20	6147	29050	0.34%	1268	22.91	Telefonica del Peru S.A.A., PE
21	9829	28162	0.33%	1863	15.12	BSNL-NIB National Internet Backbone, IN
22	36914	27406	0.32%	582	47.09	KENET-AS, KE
23	197207	26285	0.31%	1022	25.72	MCCI-AS, IR
24	11492	24302	0.29%	4722	5.15	CABLEONE, US
25	36352	24154	0.29%	2826	8.55	AS-COLOCROSSING, US
26	3303	23093	0.27%	255	90.56	SWISSCOM Swisscom Switzerland Ltd, CH
27	58224	22936	0.27%	1167	19.65	TCI, IR
28	13188	22438	0.27%	1607	13.96	TRIOLAN, UA
29	20473	21684	0.26%	1408	15.40	AS-VULTR, US
30	37294	21340	0.25%	142	150.28	TNM, MW
31	29571	20960	0.25%	1072	19.55	ORANGE-COTE-IVOIRE, CI
32	17561	20941	0.25%	3424	6.12	LCS-AS-AP LARUS Limited, HK
33	24835	20372	0.24%	1966	10.36	RAYA-AS, EG
34	8369	20167	0.24%	76	265.36	INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
35	398781	19739	0.23%	1234	16.00	OSL-188, US
36	11830	19417	0.23%	1992	9.75	Instituto Costarricense de Electricidad y Telecom., CR
37	11664	18861	0.22%	1372	13.75	Techtel LMDS Comunicaciones Interactivas S.A., AR
38	5972	18548	0.22%	1427	13.00	DNIC-ASBLK-05800-06055, US
39	24863	18258	0.22%	1270	14.38	LINKdotNET-AS, EG
40	36992	17833	0.21%	1849	9.64	ETISALAT-MISR, EG
41	55836	16999	0.20%	1979	8.59	RELIANCEJIO-IN Reliance Jio Infocomm Limited, IN
42	24532	16898	0.20%	53	318.83	INET-AS-ID PT. Inet Global Indo, ID
43	15399	16694	0.20%	577	28.93	WANANCHI-, KE
44	212238	16603	0.20%	2571	6.46	CDNEXT, GB
45	22884	16316	0.19%	1060	15.39	TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
46	6412	16275	0.19%	245	66.43	KW KEMS Block-A, Floor 7, Souq Al-Kabeer Kuwait City, State of Kuwait P O Box 3623, Safat 13037, KW
47	55410	16119	0.19%	1176	13.71	VIL-AS-AP Vodafone Idea Ltd, IN
48	37069	16069	0.19%	1109	14.49	MOBINIL, EG
49	44244	15743	0.19%	863	18.24	IRANCELL-AS, IR
50	21859	15222	0.18%	1607	9.47	ZEN-ECN, US
Total		2209314	26.18%

50 Most active ASes for the past 14 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	27892	10081.0	0.12%	1	10081	Universidad del Zulia, VE
2	149038	5692.0	0.13%	2	11384	UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
3	56644	5190.0	0.06%	2	5190	SYNFS-AS, GB
4	15766	4816.5	0.63%	15	52982	DOMICILIUM-AS, IM
5	7821	4185.3	0.84%	17	71150	ZAYO-MN, US
6	213812	4174.5	0.10%	2	8349	ALFATEH, SY
7	7954	4029.0	0.14%	3	12087	IMMENSE-NETWORKS, US
8	33764	4026.0	0.05%	3	4026	AFRINIC-ZA-JNB-AS, MU
9	5413	3876.5	4.46%	97	376018	WAVENET-AS5413, GB
10	208907	3646.0	0.04%	1	3646	RISING-BRIDGE-TECHNOLOGY, GB
11	29469	3547.0	0.04%	1	3547	GTU Khmelnitsky, Ukraine, UA
12	199577	3377.0	0.08%	2	6754	DIGIRET-, LV
13	51897	3147.0	0.04%	1	3147	MIHAN, IR
14	197320	2763.0	0.03%	1	2763	NPA-AS, GB
15	8613	2754.3	0.10%	3	8263	WAVENET-AS8613, GB
16	57670	2362.0	0.17%	6	14172	ASOPENWAY, UA
17	136867	2205.0	0.08%	3	6615	IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
18	265566	2025.0	0.05%	3	4050	TELESISTEMAS PENINSULARES SA DE CV, MX
19	8791	1922.7	0.07%	3	5768	FOEHN, GB
20	21570	1865.0	0.02%	94	1865	ACI-1, CA
21	40138	1858.9	0.15%	7	13012	MDNET, US
22	13341	1757.0	0.08%	5	7028	TRANQUILITY, US
23	60742	1716.0	0.02%	1	1716	DAWOX, AT
24	214929	1538.0	0.02%	2	1538	LASTRESPONSE, AT
25	41383	1425.0	0.07%	8	5700	WOLASN, GB
26	205605	1338.0	0.02%	1	1338	ID-PROCESSING, AM
27	136501	1319.5	0.09%	21	7917	HKBNES-AS-AP HKBN Enterprise Solutions HK Limited, HK
28	265112	1315.0	0.08%	7	6575	DIGITO TELECOMUNICACOES E INFORMATICA LTDA, BR
29	131126	1311.3	0.05%	5	3934	VNAIR-AS-VN Vietnam Airlines Corp, VN
30	28657	1283.0	0.05%	3	3849	MD Brasil - Tecnologia da Informacao Ltda, BR
31	29382	1221.0	0.03%	2	2442	UKRINFOSYSTEMS-AS, UA
32	395327	1180.0	0.01%	1	1180	BAYFEDCU, US
33	136225	1153.0	0.03%	2	2306	SMARTTELECOM-AS-AP Smart Telecom, PK
34	328811	1129.0	0.01%	1	1129	FCB-AS, MW
35	57285	1127.0	0.01%	1	1127	UKRINFOSYSTEMS-AS, UA
36	271217	1119.5	0.05%	4	4478	Nova Info Internet e Telecomunicacoes LTDA, BR
37	150935	1112.7	0.04%	3	3338	IDNIC-PONOROGO-ID Dinas Komunikasi Informatika dan Statistik Kab. Ponorogo, ID
38	204318	1050.0	0.01%	1	1050	BGPTOOLS-QA, GB
39	212274	1001.0	0.01%	1	1001	ELTRAKSA-AS, GR
40	269028	964.0	0.02%	2	1928	L 2 COMERCIO E SERVICOS DE INFORMATICA LTDA ME, BR
41	52852	964.0	0.06%	5	4820	Last Mile Telecom, BR
42	206467	961.0	0.03%	3	2883	PROTECH-COMMS, GB
43	149614	949.0	0.01%	1	949	TSIIPL-AS-IN TRANSACTION SOLUTIONS INTERNATIONAL INDIA PRIVATE LIMITED, IN
44	132562	900.0	0.02%	2	1800	KOMALNET-AS-IN Komal Network Service Private Limited, IN
45	265046	885.7	0.03%	3	2657	NET-MAIS INFORMATICA, BR
46	12654	866.7	0.15%	22	13001	RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
47	41538	858.0	0.01%	2	858	INSPIRED-AS, GB
48	213654	831.5	0.02%	2	1663	AS209737, TR
49	49565	806.0	0.01%	1	806	POLE-TELEKOM, TR
50	211851	779.5	0.02%
Total		110405.1	8.46%

50 Most active Prefixes for the past 14 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	207.167.116.0/22	12085	0.14%	7954 -- IMMENSE-NETWORKS, US
2	124.195.190.0/24	11685	0.13%	38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
3	130.137.231.0/24	10655	0.12%	16509 -- AMAZON-02, US
4	55.74.57.0/24	10387	0.12%	335 -- DNIC-ASBLK-00306-00371, US
5	55.74.56.0/24	10356	0.12%	335 -- DNIC-ASBLK-00306-00371, US
6	55.67.56.0/24	10345	0.12%	335 -- DNIC-ASBLK-00306-00371, US
7	55.27.56.0/24	10342	0.12%	335 -- DNIC-ASBLK-00306-00371, US
8	55.27.217.0/24	10339	0.12%	335 -- DNIC-ASBLK-00306-00371, US
9	190.170.0.0/18	10081	0.12%	27892 -- Universidad del Zulia, VE
10	186.83.117.0/24	8392	0.10%	10620 -- Telmex Colombia S.A., CO
11	130.137.108.0/24	8047	0.09%	16509 -- AMAZON-02, US
12	173.82.125.0/24	7869	0.09%	16509 -- AMAZON-02, US
13	130.137.12.0/24	7748	0.09%	16509 -- AMAZON-02, US
14	130.137.230.0/24	7626	0.09%	16509 -- AMAZON-02, US
15	173.82.66.0/24	7036	0.08%	16509 -- AMAZON-02, US
16	199.47.232.0/22	7019	0.08%	13341 -- TRANQUILITY, US
17	84.205.66.0/24	6873	0.08%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
18	130.137.219.0/24	6867	0.08%	16509 -- AMAZON-02, US
19	130.137.80.0/24	6824	0.08%	16509 -- AMAZON-02, US
20	130.137.118.0/24	6802	0.08%	8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
21	130.137.79.0/24	6678	0.08%	16509 -- AMAZON-02, US
22	193.105.156.0/24	6627	0.08%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
23	195.114.122.0/24	6595	0.08%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
24	195.114.123.0/24	6579	0.08%	8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
25	103.104.136.0/24	6565	0.07%	136867 -- IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
26	173.82.108.0/24	6535	0.07%	16509 -- AMAZON-02, US
27	173.82.63.0/24	6503	0.07%	16509 -- AMAZON-02, US
28	173.82.67.0/24	6493	0.07%	16509 -- AMAZON-02, US
29	130.137.28.0/24	6208	0.07%	16509 -- AMAZON-02, US
30	177.46.36.0/24	6191	0.07%	28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
31	173.82.129.0/24	6148	0.07%	16509 -- AMAZON-02, US
32	130.137.127.0/24	6144	0.07%	16509 -- AMAZON-02, US
33	5.252.36.0/22	6123	0.07%	5413 -- WAVENET-AS5413, GB
34	130.137.26.0/24	6122	0.07%	16509 -- AMAZON-02, US
35	130.137.124.0/24	6120	0.07%	16509 -- AMAZON-02, US
36	45.83.76.0/22	6117	0.07%	5413 -- WAVENET-AS5413, GB
37	45.83.76.0/24	6117	0.07%	5413 -- WAVENET-AS5413, GB
38	37.252.60.0/22	6110	0.07%	5413 -- WAVENET-AS5413, GB
39	45.132.148.0/23	6105	0.07%	5413 -- WAVENET-AS5413, GB
40	130.137.150.0/24	6104	0.07%	16509 -- AMAZON-02, US
41	5.22.224.0/21	6092	0.07%	5413 -- WAVENET-AS5413, GB
42	46.31.71.0/24	6090	0.07%	5413 -- WAVENET-AS5413, GB
43	130.137.130.0/24	6089	0.07%	16509 -- AMAZON-02, US
44	130.137.227.0/24	6088	0.07%	16509 -- AMAZON-02, US
45	130.137.99.0/24	6084	0.07%	16509 -- AMAZON-02, US
46	130.137.140.0/24	6075	0.07%	16509 -- AMAZON-02, US
47	130.137.16.0/24	6073	0.07%	16509 -- AMAZON-02, US
48	130.137.105.0/24	6070	0.07%	16509 -- AMAZON-02, US
49	62.72.128.0/19	6037	0.07%	5413 -- WAVENET-AS5413, GB
50	62.69.32.0/19	6037	0.07%	5413 -- WAVENET-AS5413, GB
Total		364297	4.19%

14 Day BGP Profile: 11-December-2025 00:00 - 24-December-2025 23:59 (UTC+1000)

Number of BGP Update Messages:	20397022
Number of Prefix Updates:	8439954
Number of Prefix Withdrawals:	323075
Average Prefixes per BGP Update:	0.43
Average BGP Update Messages per second:	16.86
Average Prefix Updates per second:	7.24
Peak BGP Update Message Rate per second:	71547	(11:15:45 Tue, 23-Dec-2025)
Peak Prefix Update Rate per second:	1355	(03:10:37 Mon, 22-Dec-2025)
Peak Prefix Withdraw Rate per second:	31207	(22:34:11 Sun, 21-Dec-2025)
Prefix Count:	1069977
Updated Prefix Count:	677462
Stable Prefix Count:	392515
Origin AS Count:	77693
Updated Origin AS Count:	60433
Stable Origin AS Count:	17260
Unique Path Count:	561411
Updated Path Count:	406169
Stable Path Count:	155242

Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type

Hourly Peak of Per-Second Updated Prefix Rate by Update Type

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates

Notes

The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.